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hugger6933 · 04-18-2014, 06:44 PM

The 6 cyl tach will do fine. If your not trusting that, get a cheapo tach from somewhere and make temp hookups with it in the 6 cyl position. Alot cheaper than frying or trying OE.

04-18-2014, 06:44 PM	#4
hugger6933 Registered User Join Date: Oct 2008 Location: Marianna Arkansas Posts: 7,280	Re: Need help from the GMC experts The 6 cyl tach will do fine. If your not trusting that, get a cheapo tach from somewhere and make temp hookups with it in the 6 cyl position. Alot cheaper than frying or trying OE.